# Reaccións e Rtos

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### Contidos

• Reacción
• Cinemática
• Concentración
• Equilibrio

### Description

Explore what makes a reaction happen by colliding atoms and molecules. Design experiments with different reactions, concentrations, and temperatures. When are reactions reversible? What affects the rate of a reaction?

### Obxectivos de Aprendizaxe

• Explain why and how a pinball shooter can be used to help understand ideas about reactions.
• Describe on a microscopic level what contributes to a successful reaction (with illustrations).
• Describe how the reaction coordinate can be used to predict whether a reaction will proceed or slow.
• Use the potential energy diagram to determine: The activation energy for the forward and reverse reactions; The difference in energy between reactants and products; The relative potential energies of the molecules at different positions on a reaction coordinate.
• Draw a potential energy diagram from the energies of reactants and products and activation energy.
• Sketch how the number of reactants and products will change as a reaction proceeds.
• Explain how they know that a system has reached equilibrium from a graph of number of reactants and products versus time.
• Predict how raising or lowering the temperature will affect a system in the equilibrium position.
• Describe the relative sizes of the forward and reverse rates at equilibrium.
• Explain what effects whether the equilibrium position favors the products or the reactants.
• Predict how addition of a reactant or product will affect the forward and reverse reaction rates, and once this new system reaches equilibrium how the reactant and product concentrations will compare to the original system at equilibrium.
• Compare graphs of concentration vs. time to determine which represents the fastest or slowest rate.
Version 1.07

### Teacher Tips

 A guía de profesores (pdf) contén consellos creados polo equipo PhET. ( PDF ).

### Teacher-Submitted Activities

Using PhET in High School Chemistry- all my activities in pdf Trish Loeblein U-Inicio
BAC
Demo
Lab
Deb
Química
Concept Questions for Chemistry using PhET Trish Loeblein U-Inicio
S.O.
BAC
MC Química
Reactions and Rates 4: Equilibrium LeChatlier Trish Loeblein U-Inicio
BAC
Deb
Lab
Química
Reactions and Rates 4 lessons (Inquiry Based) Trish Loeblein BAC
U-Inicio
Demo
Deb
CCs
Lab
Química
Salts and Solubility 5 Activities in pdf Trish Loeblein BAC
U-Inicio
Outro Ciencias da Terra
Química
Reactions and Rates 3: Introduction to Equilibrium (Inquiry Based) Trish Loeblein BAC
U-Inicio
Deb
Lab
CCs
Química
Reactions and Rates 2: Intro to Kinetics (inquiry based) Trish Loeblein BAC
U-Inicio
Deb
Lab
CCs
Química
Reactions and Rates College version for tab 3- kinetics (Inquiry Based) Trish Loeblein U-Av Lab Química
Reactions and Rates 1 Introduction to reactions (Inquiry Based) Trish Loeblein U-Inicio
BAC
CCs
Lab
Demo
Química
Exploring Equilibrium 2 (Le Chatelier's Principle) Amy Jordan BAC Lab Química
Exploring Equilibrium Amy Jordan BAC Lab Química
Kinetics Guided Inquiry Chris Dewberry U-Inicio CCs
Outro
Deb
Lab
Reaction Rates Emily Firchau BAC Lab Química
PhET Sims Aligned to the Chemistry Curriculum Julia Chamberlain BAC
U-Inicio
Outro Química
Alignment of PhET sims with NGSS Trish Loeblein BAC Outro Química
Ciencias da Terra
Bioloxía
Física
How do PhET simulations fit in my middle school program? Sarah Borenstein S.O. Outro Bioloxía
Química
Física
Ciencias da Terra
Reactions and Rates: Learning Goals from the design team (Inquiry Based) Trish Loeblein, Linda Koch U-Av
U-Inicio
BAC
Outro Química
MS and HS TEK to Sim Alignment Elyse Zimmer BAC
S.O.
Outro Física
Química
Bioloxía
Understanding Rates of Reactions Lauren Petersen BAC
U-Inicio
S.O.
Guided
Lab
Deb
Química
Reactions and Rates Jefferson County Middle School Workshop S.O. Lab Química
LeChateilier's Principle - Concentration Robert Strauss BAC Lab
반응과 반응속도 SIM 사용지침서 이화국(Wha Kuk Lee) U-Inicio
BAC
Lab
Demo
Outro
Química
Bioloxía
Arabic All العربية التفاعلات وسرعتها(معدلها)
Arabic (Saudi Arabia) All العربية (السعودية) التفاعلات وسرعتها(معدلها)
Basque All Euskara Erreakzioak eta abiadura
Bosnian All Bosanski HEMIJSKE REAKCIJE I PROMJENE
Chinese (China) All 中文 (中国) 化学反应平衡
Chinese (Taiwan) All 中文 (台灣) Reactions & Rates 化學反應和反應速率
Croatian All hrvatski Brzina reakcija
Czech All čeština Reakce a ceny
Danish All Dansk Reaktioner og størrelser
Dutch All Nederlands Reacties en reactiesnelheid
English All English Reactions & Rates
Estonian All Eesti Reaktsioonid ja nende hindamine
French All français Réaction et cinétique
Georgian All ქართული რეაქციები და შედეგები
German All Deutsch Reaktionen & Geschwindigkeiten
Greek All Ελληνικά Αντιδράσεις και Ταχύτητα Αντίδρασης
Hebrew All עברית תגובות וקצבים
Hungarian All magyar Reakciók: sebesség & egyensúly
Indonesian All Bahasa Indonesia Reaksi dan Tingkatannya
Italian All italiano Reazioni e velocità di reazione
Japanese All 日本語 反応と速度
Kazakh All Kazakh Реакцияның & шамалары
Khmer All Khmer ប្រតិកម្ម និង​ល្បឿន
Korean All 한국어 반응과 반응속도
Macedonian All македонски ХЕМИСКИ РЕАКЦИИ И ПРОМЕНИ
Mongolian All Монгол (Монгол) Урвал ба Тооцоо
Persian All فارسی واكنش ها و سرعت ها
Polish All polski Reakcje i ich szybkości
Portuguese All português Reações & taxas
Portuguese (Brazil) All português (Brasil) Reações e Taxas
Russian All русский Скорость реакций
Serbian All Српски ХЕМИЈСКЕ РЕАКЦИЈЕ И ПРОМЕНЕ
Slovak All Slovenčina Reakcie & Hodnoty
Slovenian All Slovenščina Reakcije in hitrosti reakcij
Spanish All español Velocidades de reacción
Spanish (Mexico) All español (México) Velocidades de reacción
Spanish (Peru) All español (Perú) Velocidad de las Reacciones
Swahili All Swahili majibu ya utendaji
Swedish All svenska Reaktioner & reaktionshastigheter
Thai All ไทย ปฏิกิริยาและอัตราการเกิดปฏิกิริยาเคมี
Turkish All Türkçe Reaksiyonlar & Oranlar
Turkmen All Turkmen Reaksiýalar we mukdarlar
Vietnamese All Tiếng Việt Phản ứng và tốc độ phản ứng
Windows Macintosh Linux
Microsoft Windows
XP/Vista/7/8.1/10